PF.conf(5) for FreeBSD + IPv6 tunnel

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My server runs on FreeBSD 10 and the services are provided by the jails under Debian GNU/kFreeBSD. I have enabled pf, the firewall on the host with a few rules of filtering for roughly all allow output, but block input which is not desired. These rules act only on the IPv6 portion because I’m resting on the NAT for the box and the port redirections to filter between the IPv4.
Example